Ball-point pen



FIG. 1 is a rear elevational view of a ball-point pen showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof; and

FIG. 5 is a left side elevational view thereof, the opposite side being a mirror image. 

The ornamental design for a ball-point pen, as shown and described. 